FROM python:3.11-slim

WORKDIR /app

# System deps for OpenCV / GDAL
RUN apt-get update && apt-get install -y \
    libglib2.0-0 libsm6 libxext6 libxrender-dev libgomp1 \
    gdal-bin libgdal-dev \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

# Create required directories
RUN mkdir -p uploads results models

EXPOSE 8000
CMD ["sh", "-c", "uvicorn app.main:app --host 0.0.0.0 --port ${PORT:-7860} --workers 1"]